Its a pyramid. see if you think about it it has a square base and 5 sides....
Answer:
A
Step-by-step explanation:
Answer:
Step-by-step explanation:
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Answer:
V=904.78
Step-by-step explanation:
To get volume for a sphere is V= 4/3 pi radius ^3
so plug 6 in for radius and 3.14 for pi
you multiply it out to get
V=904.78
There is sufficient evidence to conclude that the population standard deviation is different from 0.1.
What is test statistic?
A test statistic is a figure obtained from a statistical analysis. It explains how far your observed data is from the null hypothesis, which states that there is no correlation between the variables or distinction between the sample groups.
Given,
Test statistic:
Chi square=(20-1)*0.25^2/0.1^2=118.75
df=20-1=19
p-value=CHIDIST(118.75,19)=0.0000
Reject the null hypothesis.
Hence, there is sufficient evidence to conclude that the population standard deviation is different from 0.1.
To learn more about test statistics
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